【正文】 D. How long 4. Be careful with the knife, ______ you’ ll be hurt. A. so B. or C. but D. because 5. John ______ leave for New York tomorrow, but I’ m not sure. A. must B. may C. could D. need 6. We are sure one day the air in Beijing will be much ______ than today. A. clean B. cleaner C. cleanest D. the cleanest 7. He ______ TV when I called him last night. A. watches B. watched C. will watch D. was watching 8. — Hi, Nancy. Shall we go to France for the long holiday? — Sorry, Kate and I ______ there twice. A. be B. were C. have been D. will be 9. — Alice, you ______ on the phone. — I’ m ing. Thanks. A. want B. wanted C. are wanting D. are wanted 10. — Can you tell me ______? — Just try to use it, I think. A. how can I learn English well B. how I can learn English well C. how could I learn English well D. how I could learn English well （四） 1. Jim has a sister. He likes playing games with ________. A. me B. you C. her D. him 2. — Thank you so much ________ your advice. — It’s a pleasure. A. with B. for C. of D. to 3. The beach is not as ________ as it used to be. Let’s collect the rubbish. A. clean B. cleaner C. cleanest D. the cleanest 4. — ________ I use your pen? — Sure. Here you are. A. Must B. Need C. May D. Should 5. — Where is Gary? — He _______ in the library. A. read B. reads C. is reading D. will read 6. Wang Hui hopes ________ a scientist in the future. A. be B. being C. to be D. been 7. We will wait until everyone ________ back. A. es B. e C. will e D. is ing 8. I like the movie Harry Potter very much. I ________ it three times. A. watch B. watched C. was watching D. have watched 9. The milk ________ to us tomorrow. A. will send B. is sent C. sends D. will be sent 10. — Do you know ________ the school? — About twenty minutes ago. A. when he left B. when did he leave C. when he leaves D. when does he leave （五） 1. The students are talking about ______ holiday plans happily. A. his B. her C. its D. their 2. I always go skiing with my friends ______ winter. A. in B. on C. at D. for 3. I phoned Sarah last night, ______ there was no answer. A. and B. but C. or D. so 4. Which book is ______ to understand, this one or that one? A. easy B. easier C. easiest D. the easiest 5. I like this room. You ______ see the mountains from the window. A. can B. should C. must D. need 6. When I opened the fridge, there ______ only some eggs and a bottle of milk. A. is B. are C. was D. were